Helium has two protons, since its atomic number is two. It is an inert element so it also has two electrons. The number of neutrons depends entirely on the isotope. The most common and stable isotope of Helium has 2 neutrons.
A helium atom has 2 protons, 2 neutrons, and 2 electrons.
Helium has 2 protons, 2 neutrons, and 2 electrons. The atomic number of helium is 2, which indicates it has 2 protons and 2 electrons in a neutral atom.
The normal helium atom has two protons and two neutrons in the nucleus, and two electrons in the "shell".
Protons: 2 neutrons: 2 electrons: 2 Helium-3: 2 protons, 1 neutron, 2 electrons Helium-4: 2 protons, 2 neutrons, 2 electrons
One atom of helium contains 2 protons and 2 electrons. The most abundant isotope of helium, helium-4, has 2 neutrons. The other, rare isotope of helium, helium-3, has 1 neutron. (Source: Wikipedia)
A helium atom has 2 protons, 2 neutrons, and 2 electrons.
Helium has 2 protons, 2 neutrons, and 2 electrons. The atomic number of helium is 2, which indicates it has 2 protons and 2 electrons in a neutral atom.
The normal helium atom has two protons and two neutrons in the nucleus, and two electrons in the "shell".
Protons: 2 neutrons: 2 electrons: 2 Helium-3: 2 protons, 1 neutron, 2 electrons Helium-4: 2 protons, 2 neutrons, 2 electrons
One atom of helium contains 2 protons and 2 electrons. The most abundant isotope of helium, helium-4, has 2 neutrons. The other, rare isotope of helium, helium-3, has 1 neutron. (Source: Wikipedia)
2 protons, 2 electrons He-3 isotope has 1 neutron He-4 isotope has 2 neutrons
Helium has 2 protons and electrons and 1 or 2 neutrons, depending on the isotope.
There are 2 electrons 2 protons and the amount of neutrons depends on the isotope
A helium atom consists of 2 protons, 2 electrons and 2 neutrons.
Helium has two protons and two neutrons (and two electrons).
Helium has two protons, and, in its neutral state, two electrons. It can have either one or two neutrons.
Helium has two protons, since its atomic number is two. It is an inert element so it also has two electrons. The number of neutrons depends entirely on the isotope. The most common and stable isotope of Helium has 2 neutrons.